Check-valve.



C. L. BARKER.

CHECK VALVE.

APPLICATION FILED APR-20,1918.

Patented Mar. 18, 1919.

w w w W INVENTOR I AT''oRNEY Parana CHARLES IL. BARKER, 0E NORWALK, CONNECTICUT.

CHECK-VALVE.

Application filed April 20, 1918.

To all whom it may concern:

Be it known that 1, CHARLES L. BARKER, a citizen of the United States. residing at Nor-walk. county of Fairfield, State of Connecticut. have invented an Improvement 1n Check-Valves, of which the following is a specification.

This invention relates to check valves of the puppet type, so called, and has for its object to produce a reliable and cfiicient valve which shall be practically liquid and gas tight in all positions, and which shall comprise so few parts, all inexpensive to make, and be so easy to assemble as to reduce the cost of construction to the minimum.

Vith these ends in view, I have devised a valve having a one piece body without cap or threads, other than the usual pipe connecting threads, and in which the valve stem shall be supported by a spider or guide, itself held in place by an expanding ring, so that the only machiningoperations required on the body are to finish the seat and to form a groove for the ring.

In the accompanying drawing forming a part of this specification, Figure 1 is an elevation of my novel valve;

Fig. 2 a longitudinal section thereof; and

Fig. 3 is a view partly in section showing the parts disassembled.

l0 denotes the body, Which nay be a casting or may be pressed or spun to shape, and

which is provided with a straight opening through it, and is without integral bridges or fins. ll denotes the seat which maybe converrif preferred, 12 the disk, which lies at right angles to the axis of the body, the

contacting face of which is finished on an angle, and 13 the stern by which the dish is carried, and which lies in horizontal alinemeat with the body. The valve is supported by a loose guide or spiderllthrough which the stem passes, and which comprises a hub 15 and a plurality of webs or arms 16, Which are adapted to contact with the inner wall of the body. The guide or spider is retained in place by an expanding ring: 1?, which,

engages an internal circumferential groove 18 the body, the planes of the groove and the seat being parallel, A spring hearing against the back of dish the guide overcomes the oi the Specification of Letters Patent.

llatented Man. to, tote,

Serial No. 229,705.

and stem in any position and normally holds the valve seated. I have shown the webs and arms as provided with recesses 20, in which the end of the spring is seated.

In assembling, the spring is placed over the stem and the latter is inserted in the guide and then the parts are inserted in the body and held forward against the power of the spring, and the expanding ring is set to place and caused to engage the groove, thereby retaining the parts securely but removably in place.

Havingthus described my invention, 1 claim:

1. A check valve of the character described comprising a body having a valve seat, a guide having radiating arms slidably engaging; the wall of said body, and also having a hub extended beyond the wings to provide an elongated guide, a valve cooperating with said seat and having a stem passed through and slidably engaging said hub, an expansible abutment ring against which one end of said guide bears, and a spring interposed between said valve and the other end of said guide. 2. A check valve of the character described comprising a body having a valve seat and an internal circumferential groove spaced therefrom, a guide interposed be tween said goove and said valveseat and having radiating arms slidably engaging the wall ofsaid body, said guide also having a hub extended beyond the wings to provide an elongated guide, a valve cooperating with sald seat and having a stem passed through and slidably engaging said hub, an enpansible abutment ring located Within said groove and positioned to have one end of said guide abut thereagainst, and a spring interposed between said able and the other oi said guide.

3. A cheer: valve of the character described comprising a hotly having a valve seat, a guide havi g radiating arms siidably engaging the wall of said body, also having a hub eat-ended beyond the wings to provide an elongated guide, said arms is r shaped at one end to provide curved receiving seats 1 ating with s passed thro huh, ex

which the other end of said guide bears, and a spring interposed between said valve and said spring seats.

4. A check valve of the character described comprising a body having a valve seat, a removable guide provided with a central hub and radiating arms having a slidable engagement, with the interior wall of said body, said hub being elongated to extend beyond said arms to provide a relatively long bearing, a valve cooperating with In testimony whereof I afiix my signature. 15

CHARLES L. BARKER. 

